Original to the AIR PLUS:
+ Detachable storage bag (14"x9") Don't forget your gear!
+ Fully ventilated sides for maximum refreshing air flow
+ Padded back panel for increased comfort and cooling
+ Thicker, wider, pressure relieving shoulder straps
+ Mesh dual side pockets for increased ventilation
+ Ventilated cooling side panels
+ Over 5 different safety/failsafe features
+ Adjustable dual side pockets
+ Sternum strap avalanche whistle clip
Newly added PLUS 2 features include:
+ Fully Updated Sizing (Each piece of the bag adjusted to ensure best fit)
+ Wider Base
+ Updated Side Mesh
+ New Side and Back Cinch Straps
+ Updated Shoulder Strap Design
+ Updated Logo Fur Flap (No more zipping your dog's hair in the bag)
+ More Adjustable Collar Enclosure
+ Colored storage bag buckles
